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Replace the StyledNode trait with inherent methods.

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This commit is contained in:
Ms2ger 2015-07-27 16:40:23 +02:00
parent 5cf662fb97
commit 3984e39011
13 changed files with 36 additions and 68 deletions
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1
components/layout/css/matching.rs
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@ -8,7 +8,6 @@
use animation;
use context::SharedLayoutContext;
use css::node_style::StyledNode;
use data::LayoutDataWrapper;
use incremental::{self, RestyleDamage};
use smallvec::SmallVec;

56
components/layout/css/node_style.rs
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@ -1,56 +0,0 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
//! Style retrieval from DOM elements.
use data::LayoutDataWrapper;
use wrapper::{PseudoElementType, ThreadSafeLayoutNode};
use style::properties::ComputedValues;
use std::cell::Ref;
use std::sync::Arc;
/// Node mixin providing `style` method that returns a `NodeStyle`
pub trait StyledNode {
fn get_style<'a>(&self, layout_data_ref: &'a LayoutDataWrapper) -> &'a Arc<ComputedValues>;
/// Returns the style results for the given node. If CSS selector matching has not yet been
/// performed, fails.
fn style<'a>(&'a self) -> Ref<'a, Arc<ComputedValues>>;
/// Removes the style from this node.
fn unstyle(self);
}
impl<'ln> StyledNode for ThreadSafeLayoutNode<'ln> {
#[inline]
fn get_style<'a>(&self, layout_data_ref: &'a LayoutDataWrapper) -> &'a Arc<ComputedValues> {
match self.get_pseudo_element_type() {
PseudoElementType::Before(_) => layout_data_ref.data.before_style.as_ref().unwrap(),
PseudoElementType::After(_) => layout_data_ref.data.after_style.as_ref().unwrap(),
PseudoElementType::Normal => layout_data_ref.shared_data.style.as_ref().unwrap(),
}
}
#[inline]
fn style<'a>(&'a self) -> Ref<'a, Arc<ComputedValues>> {
Ref::map(self.borrow_layout_data(), |layout_data_ref| {
let layout_data = layout_data_ref.as_ref().expect("no layout data");
self.get_style(layout_data)
})
}
fn unstyle(self) {
let mut layout_data_ref = self.mutate_layout_data();
let layout_data = layout_data_ref.as_mut().expect("no layout data");
let style =
match self.get_pseudo_element_type() {
PseudoElementType::Before(_) => &mut layout_data.data.before_style,
PseudoElementType::After (_) => &mut layout_data.data.after_style,
PseudoElementType::Normal => &mut layout_data.shared_data.style,
};
*style = None;
}
}